Home / 116,900.36-161,322.53-63,185.21

Finding the Fourth Proportional to 116,900.36, 161,322.53 and 63,185.21

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Solution

The fourth proportional to 116,900.36, 161,322.53 and 63,185.21 is: 87,195.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,900.36 : 161,322.53 = 63,185.21 : x
  2. Step 2: Convert to fraction form
    116,900.36/161,322.53 = 63,185.21/x
  3. Step 3: Cross multiply
    116,900.36x = 161,322.53 × 63,185.21
  4. Step 4: Simplify right side
    116,900.36x = 10,193,197,935.78
  5. Step 5: Solve for x
    x = 10,193,197,935.78/116,900.36
  6. Step 6: Final answer
    x = 87,195.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.